Table of Content

06 June 2011, Volume 19 Issue 6

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Longitudinal growth monitoring of breast feeding infants in six capital cities of China

XU Yi-qun, WANG Hui-shan, HUANG Xiao-na, XU Tao, GONG Li-min, JIANG Jing-xiong, PAN Xiao-ping, JIN Xi

2011, 19(6):  497-501. 

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【Objective】 To acknowledge the natural physical growth pattern of exclusively breastfeeding infants in capital Cities and to provide the reference for growth monitoring and nutritional evaluation. 【Methods】 According to the WHO 2006 growth monitoring project, 1 343 exclusively breastfeeding infants were recruited in six capital cities in China. The longitudinal weight, length, and head circumference were measured from the birth to 12 months old. The monitoring frequency was 16 times in total. 【Results】 Compared with birth weight and height, the weight of infant was 2 times after 3 months old and 3 times at 12 months old, and the length was 1.5 time at 12 months old. The value of weight, height and head circumference was higher in boys than in girls, and the difference was significant(P<0.01). Compared to WHO 2006 new growth standard, the weight, height and head circumference value was higher in our capital cities breastfeeding infant, except for seven days and fourteen days. 【Conclusions】 The growth and development status of six capital cities breastfeeding infant are in good condition. The growth potential of infants in capital China achieved WHO 2006 new standard.

Longitudinal study: the effects of early feeding types on the infant(<2 years old) obesity

DAI Jia-zhen, HONG Qin, ZHANG Chun-mei, ZHANG Min, CHI Xia, TONG Mei-ling, GUO Xi-rong

2011, 19(6):  502-504. 

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【Objective】 To investigate the effects of early feeding types on the development of infant obesity. 【Methods】 A retrospective study was used to survey 522 children(aged 2) who had regular health care in Nanjing Maternal and Child Health Hospital. According to the feeding types before 4 months old, they were classified into breast feeding group and bottle feeding group. The prevalence of overweight and obesity in different months were compared between the two groups. 【Results】 The prevalence of obesity and overweight in bottle feeding group were elevated with age increased and reached peak in 12 months old, then decreased gradually, while they were gradually declined with age increased in breast feeding group. In 18 months old, obesity was more prevalent in the infants with bottle feeding than that with breast feeding(P＜0.05). In 12 and 24 months old, the rates of overweight and obesity were significantly higher in bottle feeding group than that with breast feeding(P＜0.05). Furthermore, in both groups, the prevalence of obesity and overweight were both declined with age increased in 3 months old obesity and overweight children, especially in breast feeding group(P＜0.05). 【Conclusion】 Early breast feeding may have a potential benefit in preventing the occurrence and aggravation of infant obesity and overweight within 2 yeas old.

Effects of prenatal blood lead exposure lower than 100 μg/L on infant's neurobehavioral development

WANG Bo, SHAO Di-chu, XIANG Zhang-hua, NI Wei-min, YANG Shui-lian, WU Cui-e, LI Ping-jian, FU Hua

2011, 19(6):  505-508. 

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【Objective】 To determine the effects of prenatal lead exposure(lower than 100 μg/L) on six-month-old infant's growth and development. 【Methods】 The study subjects were 6-month-old infants whose mothers' blood lead were lower than 100 μg/L both during the 1^st and 3^rd trimester of gestation in a cohort study. Bayley infant development scale was used to evaluate the infants' development. The differences in mental development index(MDI) and psychomotor development index(PDI) of infant were compared across different prenatal blood exposure levels, using the P25, P50 and P75 of the blood lead during pregnancy as the dividing value of groups, respectively. 【Results】 The MDI and PDI of 6-month-old infants tended to decrease as the increase of prenatal blood lead exposure level. The PDI of 6-month-old infants in the relative high lead level group was lower than that in the relative low lead group as the dividing value of groups was P25 and P50 of blood lead, and the difference were statistically significant(P<0.05). There were no significant differences in the MDI of 6-month-old infants across groups. Besides, multivariate analysis indicated that the PDI of the infants whose prenatal lead concentration higher than P50 was 4.48 point lower than that of infants below P50. Similarly, the PDI of the infants whose prenatal lead concentration higher than P25 was 6.51 point lower than that of infants below P25. The differences were statistically significant. 【Conclusion】 Low level prenatal lead exposure may exert an influence on infants' behavior development and such effect might be more significant at the low level of lead exposure, which merits further research.

Percentile curves for gestational age specific birthweight of newborns

YUAN Yue, PANG Ru-yan, PAN Ying, WU Ming-hui, WANG Jun-hua, HE Ya-ping, WANG Yan

2011, 19(6):  509-511. 

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【Objective】 To establish population-based smoothed centiles for gestational age specific birthweight of newborns. 【Methods】 All newborns should be taken standard measurement of birthweight during 1 November 2009 to 21 January 2011 in Shunyi District Hospital of Beijing and Shunyi Maternal and Child Health Hospital. The newborns whose mother up to the standards of normal mother were selected to establish database. λ-median-coefficent of variation method was used to smooth the percentile curves. Compare smoothed centiles with neonatal physique growth investigation results of 15 cities of China in 1986-1987. 【Results】 5 068 live births were selected for final analysis. Percentiles at P3, P10, P25, P50, P75, P90, P97 of birthweight were calculated and described and the curves for each gestational-age were successfully smoothed. In general gender differences of birthweight were statistically significant; According to the analysis by gestational age, gender differences in the 38~42 gestational weeks were statistically significant. The incidences of small for gestational age infants and large for gestational age infants are 9.39% and 9.21%. Compared smoothed percentiles with the investigation results of 15 cities, differences of birthweight in 35~43 gestational weeks were statistically significant. 【Conclusions】 Recent percentiles for gestational age specific birthweight of newborns are presented and a current reference is proposed for the local clinicians and researchers to evaluate fetal growth.

Analysis on nutrition of infants aged 6~24 months after Wenchuan earthquake in Ningqiang, Shaanxi

SONG Peng-kun, MAN Qing-qing, CHANG Feng, XU Zeng-kang, FU Ping, ZHANG Jian, SUN Jing

2011, 19(6):  512-514. 

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【Objective】 To analyse the nutrition and growth status of infants aged 6~24 months lived in rural area of Ningqiang after Wenchuan earthquake. 【Method】 Total 327 infants aged 6~24 months lived in fourty-five villages in eight towns of Ningqiang were investigated using the questionnaires, anthropometric and hemoglobin concentration measurements. 【Results】 The prevalence of anemia, stunting, underweight and wasting was 49.9%, 9.8%, 6.4%, 4.6%, respectively. The proportion of breast feeding was 89.9%, but only 7.1% infants got breast feeding within one hour after delivery. Cereal foods were timely added while soybean and aquatic products were much insufficient. 【Conclusions】 The results indicate that the nutrition and health status of infants aged 6~24 months old living in the disaster area is not ideal. The dietary structure is not appropriate. It is necessary to take effective nutrition intervention and to strengthen nutrition education in order to improve health status of these infants lived in disaster area.

Feeding status of infants' parents and their demands in urban areas

WANG Yan, PAN Li-ping, WANG Hui-shan, GONG Li-min, HUANG Xiao-na, ZHANG Li-jin, MA Yan-yan, JIANG Jing-xiong

2011, 19(6):  515-517. 

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【Objective】 To know about the status and demands of infants' parents for children's nutrition and feeding, in order to give more targeted guidance. 【Method】 The parents of children aged from 0 to 18 months in 15 cities were investigated with a self-reported questionnaire about the status and demands for children's nutrition and feeding. 【Results】 In children aged up to 6 months, the rate of pure breastfeeding was 31% and 43% had introduced solid food. Half of the children aged 6 months broke breast milk and all of the children aged 12 months did so. The first food that introduced was mainly rice flour or yolk. The children had a lot of eggs and only a few of meats. The nutritional supplements that parents fed were mainly cod-liver oil and calcium preparations. Parents were patient with feeding and paid much attention to the training of eating behavior. Parents liked to be guided by face-to-face interview, magazines and lectures. The courses that parents desired varied in accordance with children's ages except for "children's nutritional requirements" and "prevention and control of common diseases". 【Conclusions】 The infants' parents in urban areas are in need of improvement as to nutrition and feeding knowledge, and it is necessary to give targeted guidance.

Geographical epidemiology study on chickenpox features in China

YAN Lei, YIN Hong-mei, HUANG Guo, SHEN Jin-yun, NIU Jian-jun, WANG Shi-wen

2011, 19(6):  518-520. 

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【Objective】 To understand the epidemic features of chickenpox in China from 2007-2010 by using the geographical epidemiology methods. 【Methods】 Using the surveillance data from national internet-based information system of infectious diseases in China Disease Prevention and Control Center, the analysis of the status of chickenpox epidemic in China from 2007 to 2010 was conducted by GIS software(ArcGIS) and statistical software(Stata). 【Results】 the national average incidence of chickenpox was 20.6, 23.8, 24.1, and 24.3 per 100 000 populations in 2007-2010 respectively. Using the cases/incidence of chickenpox in 2010 as an example, there were 162 counties which incidence of chickenpox was higher than 100/100 000. Most of them were located in Tebit, Xinjiang, Sichuan, Liaoning, Guangdong, Gansu provinces and accounted for 52% of 162 counties. From 2007 to 2010, the incidence of chickenpox increased yearly. 【Conclusions】 The risk factors of chickenpox epidemic are different among the provinces. The prevention strategies should be developed based on the local situation.

Retrospective study of 1 066 cases in hyperphenylalaninemia in past 20 years

LI Xiao-wen, WANG Lin, SHEN Ming, HE Chun, ZHOU Zhong-shu, WANG Kun-di, YANG Ling, YU Wei-min

2011, 19(6):  521-523. 

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【Objective】 To study on the prognosis of patients in hyperphenylalaminemia(HPA). 【Methods】 The neonatal screening, diagnosis and treatment starting time were considered in the follow-up study. The neuroimaging, MRI and ¹HMRS were also performed in parts of these patients and the results were also considered as the index of prognosis. 【Results】 1)Of 1 066 patients 1 016 cases were diagnosed as phenylketonuria(PKU) and of which 50 cases were diagnosed as BH4D. Among the patients in PKU, 369(34.62%)were treated within 3 months after the neonatal screening, and 241(22.62%), 456(42.78%) were diagnosed and treated in 3~12 months and afterwards respectively. 2)The DQ of the patients who were treated within 3 months after the neonatal screening were much higher than that of non-screening patients(96±15,69±11;t=14.19,P<0.01). 3)The DQ of the patients who were treated later than 3 months were also highly improved after treatment(46±15 and 69±11,t=7.13,P<0.05). 4)There was a negative correlation between blood-brain Phe concentration to the mental retardation r_blood=0.505, r_brain=0.647,P<0.01) in 22 cases of the HPA patients. 【Conclusion】 The long-term outcome of these patients benefits from early diagnosis and treatment, and the strict control of phe concentrations can minimize the mental retardation in HPA patients.

Study on the frequency distribution of apolipoproteinE gene polymorphism of obesity children and its effection on lipid levels in plasma

WANG Si-mei , GONG Qun, HU Li-qun, WANG Yu, XU Miao

2011, 19(6):  524-527. 

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【Objective】 To explore the frequency distribution of apolipoproteinE(ApoE) gene polymorphism of obesity children and its effection on lipid levels in plasma. 【Methods】 Using DNA sequencing method to detect the apolipoproteinE gene polymorphism of 100 obesity children and 100 normal children of control group. Moreover, total cholesterol(TC), triglyceride(TG), high-density lipoprotein cholesterol(HDL-C), low-density lipoprotein cholesterol(LDL-C), apolipoprotein A(apoA) and apolipoprotein B(apoB) were detected with the 12 h fasting blood. Observing the distribution of different genotypes and allele, and analysis of its correlation with lipid. 【Results】 E3/3 genotype frequence(＞70%) of ApoE was quite higher than E3 heterozygous (E2/3 and E3/4＞20%) and E2/2and E4/4; compared to the control group, E2 allele of the experimental group had higher level of TG(P＜0.05), E3 allele had higher level of TG, TC, LDL and lower level of HDL, ApoA(P＜0.01), while E4 allele had higher level of TG, AopB and lower level of HDL, ApoA(P＜0.05), the differences had statistical significance; in experimental group, compared to E3 allele, the child who carry E2 allele had lower level of TC, LDL and ApoB(P＞0.05), E4 allele has higher level of TG, ApoB and lower HDL(P＜0.05); the obesity children who carry different allele had different dyslipidemia rate, it was E4＞E3＞E2(P＜0.01). 【Conclusion】 The apoE3/3 is the most common genotype, and ApoE4 are correlated with dyslipidemia of obesity children and is one of the risk genes of dyslipidemia.

Research of the relevance in 32 cases of food protein allergy and infant vomiting

TIAN Juan, JIANG Xun, WU Yu-li, WANG Chun-hui, TONG Hai-xia, WANG Bao-xi

2011, 19(6):  528-530. 

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【Objective】 To test the specific IgG, in the serum of infant vomiting as the main manifestation, to investigate the relationship between milk intolerance and vomiting. 【Methods】 To collect the infant(the age between three month to one year), during Septermber 2008～February 2010 in the pediatric outpatient and inpatient of our hospital(32 case:20 males and 12 females), satisfied the following conditions: 1)except of vomiting frequently, have the symptoms of diarrhea, bloody stool, eczema, growth slowly; 2)can find gastric and duodenal mucosal lesions when checkout of upper gastrointestinal endoscopy; 3)can find of one or more of food protein intolerance as detect food intolerance testing; 4)Food Avoid test or provocation test are positive; To investigation the blood routine, 24-hour esophageal PH value monitoring, endoscopy, food intolerance test, Food Avoid Test; 【Results】 There were significance in diagnosis of clinical, to tetermination of specific IgG in children with vomiting, need to paying particular attention to the children which mucosal erosion or duodenal hyperplasia, should consider the food intolerance testing, to avoid misdiagnosis and treatment promptly. 【Conclusions】 Food protein allergy is one of the reason could cause vomiting in infants, we should be considered the food allergies in children with vomiting frequently, especially when poor therapeutic efficacy.

Survey on the current situation of growth and development of children under 7 years old in Beijing

HE Hui, CHEN Xin-xin, MENG Jie, LI YI-chen, PAN Ying, WANG Yan

2011, 19(6):  531-534. 

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【Objective】 To investigate present status of growth and development of children under 7 years old in Beijing in 2005. 【Methods】 Random cluster sampling was used. Beijing healthy children in Han ethnic group from birth to 7 years old in urban and suburbs were investigated. Weight, height, sitting height, head circumference and chest circumference were measured. All the children were classified into 22 age groups. 17 522 children were selected. 【Results】 Increase of weight and height were 0.99~1.16 kg and 3.6~3.8 cm per month in the first 3 months after the birth. There were differences in growth and development of children between urban and suburbs. Compared with the survey in nine cities of China, the mean value of weight, height and sitting height were higher than nine cities in most age groups while the mean value of head circumference and chest circumference were basically same. The average of weight and height in most of age groups of Beijing children in urban and Younger age groups in suburbs were higher than WHO new standard. 【Conclusions】 The pattern of growth and development of children in Beijing is in normal state. The differences in urban and suburbs are still existed. The level of growth and development of children under the age of 7 years old in Beijing is ahead of other cities in China generally. Children's weight and height in Beijing are higher than the WHO new standards published in 2006.

Dietary n-3 PUFAs affect the mRNA expression of satiety regulators in diet-induced obese mice

LIU Xin-li, FAN Chao-nan, SHEN Wen-wen, TIAN Chun-yu, QI Ke-min

2011, 19(6):  535-537. 

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【Objective】 To investigate the effects of n-3 polyunsaturated fatty acids(n-3 PUFAs) on the mRNA expression of satiety regulators in diet-induced obese (DIO) mice. 【Methods】 Three to four-week-old male C57BL/6J mice were randomly divided into 3 groups with 15 cases in each group. There mice were fed with two types of high-fat diet(34.9% fat providing 60% of total energy) with n-6 PUFAs(originated from sunflower oil) and n-3 PUFAs(originated from fish oil) respectively to induce obesity, with a normal-fat diet(4.3% fat providing 10% of total energy) as lean control. After fasted for 12 hours, blood samples were drawn, and brains and epididymal fat were collected. Plasma leptin concentrations were measured by enzyme-linked immunosorbent assay. The mRNA expressions of leptin in fat and leptin receptor(leptin-R), neuropeptide Y(NPY) and proopiomelanocortin(POMC) in the hypothylamus were assayed by real-time RT-PCR. 【Results】 The body weight and plasma leptin concentration in both DIO mice were significantly increased compared to the lean control mice, however the changes in the DIO mice with the n-3 PUFA diet were much smaller than the DIO mice with the n-6 PUFA diet. As compared to the lean control mice, the mRNA expressions of leptin, leptin-R and POMC were higher and those of NPY were lower in DIO mice with the n-6 PUFA diet, whereas no changes were shown for the four genes' expression in the DIO mice with the n-3 PUFA diet. 【Conclusion】 Dietary fish oil n-3 PUFAs may play some positive roles by antagonizing the abnormal expressions of the satiety regulators in DIO mice.

Prevalence of anemia among student aged 10~11 years in Shanghai

LI Feng, CHEN Wen-juan, JIANG Fan, JIN Xing-ming, SHEN Xiao-ming

2011, 19(6):  549-552. 

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【Objective】 To assess current anemia prevalence and related factors of students aged 10～11 years in primary schools of Shanghai. 【Methods】 Using multi-stage cluster sampling, the sample was selected in accordance with the "District-School-Grade" line of the sampling technique in shanghai. A total of 10 primary schools from 10 districts were selected. In each primary school, all the students of Grade 5 were selected. Finally, 1 675 children aged 10～11 years were investigated by using health questionnaire survey and anemia screening according to WHO criteria. Logistic regression and correlate analysis were used to study the risk factors. 【Results】 The rate of anemia was 2.7％(2.5% in male, 3.0% in female). There was no significant difference between the prevalence of anemia in boys and that in girls(χ²=1.080,P=0.583). There was statistically significant difference between the prevalence rate of anemia in urban students and that in non-urban students, the prevalence of anemia in group of non-urban students was higher(χ²=4.969,P=0.026). There were statistically significant difference between the prevalence rate of anemia in students whose father often smoked and that of children whose father did not, the prevalence rate of anemia in students whose father often smoked was higher(χ²=5.359,P=0.021). It was revealed by Logistic regression analysis that the risk factors of anemia were poor appetite, students whose father often smoked and students from non-urban districts. 【Conclusions】 Anemia exist among students aged 10~11 years in Shanghai. It is necessary to provide healthy knowledge to children and their parents, providing good environment for the children.

Survey on expanded programme on immunization status of 1～7 years old children in Dabie Mountain Area' back-land

HOU Sai, ZHANG Xiu-jun, HUANG Wei, GE Xiao-jiao, ZHANG Cheng-cheng, YE Qing, DENG Nian-qing, ZHANG Xue-jun

2011, 19(6):  552-554. 

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【Objective】 To understand the expanded programme on immunization(EPI) status of 1～7 years old children in in Dabie Mountain Area'back-land so as to provide scientific basis for improving immunization program. 【Methods】 A total of 512 1～7 years old children from LaiBang of YueXi County in Dabie Mountain Area'back-land were chosen by cluster sampling. Then their family backgrounds, health status and immunization status were investigated with self-administrated questionnaire. 【Results】 The initial coverage rate of BCG, OPV, DPT, MV and HepB were 97.9%, 87.7%, 94.2%, 95.5%, 98.4% respectively. And the initial coverage rate of JE, MenA and HepA were 96.4%, 96.3%, 89.7% respectively. The continuity of immunization program was poor and the multiple coverage rate of EPI was low. 【Conclusions】 The initial coverage rates of EPI among 1～7 years old children are relatively high in Dabie Mountain Area'back-land, but health education should be strengthen to improve the rate of multiple cropping.

Mortality from congenital malformation in children under 5 years old in Beijing, 2001-2010

ZHU Xue-na, YAN Shu-juan, LI Dong-yang

2011, 19(6):  554-557. 

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【Objective】 To identify the trend of mortality from congenital malformation in children under 5 years old in Beijing from 2001 to 2010. 【Methods】 Data were obtained from the Beijing children mortality surveillance network. A descriptive analysis was performed on birth defect-specific mortality in children under 5 years old(U5MR). 【Results】 1)The birth defect-specific U5MR decrease from 227.1/10⁵ live births in 2001 to 97.1/10⁵ live births in 2010; 2)Congenital heart disease, neural tube defects, Down's syndrome were significantly decreased in urban and neural tube defects, Down's syndrome was not significant decrease in rural; 3)The Proportion of mortality due to major congenital malformation decrease from 29.2% in 2001 to 23.1% in 2010; 4)Mortality from congenital malformation in children under 5 years old mainly in infant, especially in neonate. 【Conclusions】 Congenital malformation has been the leading causes of death in children under 5 years old. Strengthen prevention and reduce congenital malformation of death in rural have been the important work for us.

Study on the delay aversion in childreh with attention deficit hyperactivity disorder

LI Ying, YANG Bin-rang, CHEN Chu-qiao, LI Jian-ying, PENG Gang, YANG Si-yuan

2011, 19(6):  557-560. 

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【Objective】 To determine the characteristics in cognitive domain of sustained attention and response inhibitionl domain children with attention deficit hyperactivity disorder(ADHD). 【Methods】 One hundred children with ADHD and 100 healthy controls matched in age, gender, grade, handedness were measured with sustained attention response to task(SART) involing ability of suatained attention and response inhition. The performance was compared using multivariate analysis of variance(MANOVA) and MACOVA with FIQ controlled for between two groups. 【Results】 The omnibus MANOVA of the primary neuropsychological variables revealed a large group effect with P<0.001. The ANOVAs of each index showed that children with ADHD made more omission errors(P=0.004) and commission errors(P<0.001) than did healthy controls. Furthermore, the reaction times(RT) of correct response(P<0.001) in children with ADHD were much longer than that in healthy controls, and the variability of RT much more than the latter(P=0.001). The results remainded unchanged arter controlling for FIQ. 【Conclusion】 There are significant deficits of sustained attention and response inhibition in children with ADHD.

Study on birth weight and risk factors among 2 977 live births

ZHANG Pei, ZHANG Jing-xu, FU Shao-lian, DOU Shu-ling, ZHAO Yan, CHEN Ya-qin

2011, 19(6):  560-563. 

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【Objective】 To investigate the birth weights of live births in surveyed population, and to analyze the risk factors on the occurrence of low birth weight and macrosomia so as to provide effective interventional strategy. 【Method】 A cross sectional survey of 2 977 women was conducted on their babies' birth weights and the parents' risk factors exposed before and during the pregnancy. 【Results】 The average birth weight was 3 383.6 g. The incidence of low birth weight was 1.9%, and the incidence of the macrosomia was 7.4%. By the chi-square test, the mother with the history of preterm delivery, the preterm baby and the mother with the symptoms of threatened abortion were the risk factors of low birth weight. The mother suffered the anemia before the pregnancy or the diabetes during the pregnancy and the women with unhappy emotion during the pregnancy were the risk factors of macrosomia(P<0.05). Logistic regression analysis showed that the preterm infants(OR=37.457)was associated with low birth weight. Odds ratio for the mother with happy emotion was 0.737 for macrosomia. Odds ratios for the mothers suffered diabetes during pregnancy and the fathers smoking before pregnancy were 2.940 and 1.407 for macrosomia. 【Conclusions】 The incidence of low birth weight is low, and the incidence of macrosomia is similar with the national level. They are affected by multi-factors and the preventions should be done in all aspects.

Study on lifestyle affecting physical fitness of 3~6-year-old children in Beijing

LI Yi-chen, PAN Ying, ZHAO Juan

2011, 19(6):  563-565. 

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【Objective】 To study the effect of lifestyle on the physique health of 3~6-year-old children in order to improve the children physical fitness. 【Methods】 6 405 parents selected from 36 kindergartens by stratified cluster sampling. By Chi-square test were questionnaired, The relation was tried to find between physique and the indicators. 【Results】 Four indicators including children's sleeping time, time staying in the kindergarten, the outdoor activity time and the indoor entertainment time were significantly affect children's physique. The longer the time in kindergarten, the higher the children's physique was. The highest children's physique were found among children with 8~10 hours sleeping time, 1~2 hours outdoor activities and 30 minutes~1 hour indoor entertainment as well. 【Conclusions】 Lifestyle is the affecting factor to the children's physical fitness which plays active role in children physical fitness improvement.

Analysis on health status of collective children in Luojiang in 2010

LAI Tuan-jie, LIN Yong-jun, HUANG Xue-hua

2011, 19(6):  566-568. 

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【Objective】 To understand the health status of collective children in Luojiang in 2010, provide a scientific basis for improving the level of health service. 【Method】 5 795 children in 32 kindergartens and nurseries in Luojiang were detected to survey the collective children. 【Results】 Detection rate of the overall incidence of underweight was 2.97%, growth retardation was 1.78%, emaciated was 1.21%, overweight was 2.35%. Detection rate of dental caries and hypohemia were 41.29% and 8.09%. There were significant differences in health status of collective children between public and private kindergartens and nurseries. There were significant differences in the detection rates of dental caries, hypohemia and overweight between different age level. 【Conclusions】 The health status of collective children in Luojiang is not in very good level , especially, there is still a lot of problems in private running kindergartens and nurseries. The health services organizations still have a lot of work to do to improve manage level of kindergartens and nurseries and the health knowledge of the parents. The information of this survey provides important guidance for improving the working quality of children health care in city like Luojiang.

Study on recall of neonatal screening in Beijing from 2005 to 2010

WANG Jie, YANG Hai-he, QIU Lei, KONG Yuan-yuan

2011, 19(6):  569-571. 

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【Objective】 To summarize recall of suspected patients from the neonatal screening in Beijing from 2005 to 2010 and to further improve the management quality of neonatal screening. 【Method】 The data of recall for neonatal screening in Beijing from 2005 to 2010 was analyzed retrospectively. 【Results】 The screening test of 6 818 cases were positive and 6 087(89.28%) cases were recalled to take diagnostic test. The recall rate of suspected patients significantly increased from 86.33% during 2005-2007 to 92.21% during 2008-2010. The cause of noncompliance of recall included deficiency knowledge of screening, population floating and inaccurate communication information. 【Conclusions】 The recall rate of suspected patients is stably increased during the recent 6 years. How to improve the recall rate of the floating population is the key.

Investigation on correlation between cough variant asthma and food intolerance in children

LI Jun-xin, ZHANG Jian, DAI Yu-long, WANG Ya-qiu

2011, 19(6):  576-577. 

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【Objective】 To explore the correlation between cough variant asthma(CVA) and food intolerance in children, in order to provide evidence for diagnosis and treatment of the disease. 【Methods】 65 patients with CVA(the study group) and 74 healthy cases(the control group) were investigated in this research. The food specific IgG was measured by ELISA. The serum concentrations of 14 kinds of food specific IgG were observed and compared between two groups. 【Results】 The positive rate of food specific IgG in the study group was 90.77%, it was significantly higher than that of the control group 21.62%, and furthermore, the symptoms of the patients with CVA were obviously improved by avoiding taking the intolerance food. 【Conclusions】 Determination of food specific IgG would be helpful to discover the cause of CVA earlier and to offer basis for diagnosis, treatment and prevention as well.

Analysis and preventive measures for the death of children under 5 years old in panyu district

CHEN Lun-neng

2011, 19(6):  578-580. 

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【Objective】 To know the current death situation and the change of children under 5 years old in Panyu, and study the measures of decreasing the children mortality. 【Method】 The death information of children under 5 years old in Panyu during 2007-2010 were analyzed. 【Results】 The mortality rate of children under 5 years old was 5.83%, 43.18%of them were neonates, 70.62% of them were infants; The male children mortality were higher than female children; The mortality rate of children in floating population was significantly higher than that of inhabitant; Top 3 causes of were accidental death、congenital malformation and premature low birth weight; 24.19% of them death without treatment. 【Conclusions】 The key to reduce the death rate of children under 5 years old is to reduce the death of infant and neonates, especially the care of floating population. It is important to preventing the accidental death and congenital malformation.

Feeding investigation of the infants' parents in Sichuan province

WU Fang-yin, LIU Jing-tao, ZHAO Zi-ling, TANG Jie, HE Lin-kun, XIONG Qing

2011, 19(6):  580-582. 

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【Objective】 To understand popularity of feeding knowledge of infants in Sichuan province. 【Method】 The parents of infants were selected with the random sampling from 15 counties of 14 municipalities and investigated their feeding status by questionnaire. 【Results】 The prevalence rate of feeding knowledge in the parents was 91.10%. The feeding knowledge of the parents lived in the cities, aged under 40, mothers and fathers themselves, educated above junior high school, were better than others. The feeding knowledge mainly came from the medical staff. 【Conclusions】 we can could be carried out the health education on scientific feeding from perinatal to child care period depending on the hospital and the net of material and child care. The knowledge of the complementary food and basic feeding can be improved besides of breastfeeding. It can be more scientific to guide the feeding of the infants' parents.

Survey on fluoride in drinking-water and dental fluorosis of children in Hancheng ancient district of Xi'an city

DENG Zhuan-yun, SHEN Shu-min, TIAN Hong-liang, ZHAO Yu-min

2011, 19(6):  582-584. 

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【Objective】 To investigate the prevalence of endemic fluorosis in Hancheng district, and to provide scientific basis for the prevention and cure of endemic fluorosis in fulture. 【Methods】 The fluoride content in drinking-water was determined by the fluoride selective ion electrode in the ruins of an ancient city in Hancheng district. The dental teeth of children aged 8～12 years at school was examined with Dean's index The fluoride content in drinking water was detected with F-ion selective electrode. 【Results】 The dental fluorosis of 457 children aged 8～12 years in 11 villages in Hancheng district were examined the total detectable was 177. The detectable rate of dental fluorosis of children aged 8～12 years was 16.4 %, tiny patients 57(the prevalence rate was 12.2%), light patients 18 (the prevalence rate was 3.9 %). No moderate and severe patients were oberserved. 【Conclusions】 The total detectable rate of children dental fluorosis in Hancheng district is 16.4%, in order to maintain prefect ancient relics in Hancheng district, meanwhile, to improve the present situation of manage and usage for the well of control fluorosis. The most efficient method to deal with a situation preventing drinking water fluorosis is altering water source in order that advance the work of control fluorosis.